Grandpaisgettingoldandhehastrouble
问题详情:
Grandpa is getting old and he has trouble ________ what others say to him.
A. hear B. to hear C. hearing D. heard
【回答】
C
知识点:非谓语动词
题型:选择题
问题详情:
Grandpa is getting old and he has trouble ________ what others say to him.
A. hear B. to hear C. hearing D. heard
【回答】
C
知识点:非谓语动词
题型:选择题